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Biddeford, Saco River Tide Times

Maine · Station 8418828 · Updated Aug 5, 2026

Biddeford, Saco River runs a mean tidal range of about 8.6 ft. This month the highest water, 11.7 ft, comes on the evening of Aug 12, and the lowest, a -0.0 ft minus tide, on the morning of Aug 13.

Nearest gauge measuring live water level: Portland (8418150), about 15 mi away — high and low tides here run on average about 21 min later.

Predictedno live gauge
Next high tide 10.9 ft at 4:43 PM
High 10.3 ft · 3:34 AMLow 1.3 ft · 9:55 AMHigh 10.7 ft · 3:57 PMLow 1.4 ft · 10:27 PM
Predicted

Monthly tide calendar

Flood & low finder

🌊 Biggest flood tides at Biddeford, Saco River this month: Aug 7, Aug 8, Aug 9, Aug 10, Aug 11, Aug 12, Aug 14, Aug 15. These spring highs push water up into the grass and over the oyster rock — prime for poling into flooded marsh for tailing reds.

🔻 Negative (minus) low tides at Biddeford, Saco River this month: Aug 13. These drain the flats and expose the oyster rock — prime for sight-fishing and clamming.

August 2026
Sun
Mon
Tue
Wed
Thu
Fri
Sat
1H:10.5L:1.3H:9.8L:1.9
2H:10.5L:1.2H:10.1L:1.7
3H:10.4L:1.2H:10.4L:1.5
4H:10.3L:1.3H:10.7L:1.4
5🌗H:10.0L:1.5H:10.9L:1.4
6🌗H:9.7L:1.7H:11.0
7🌗L:1.3H:9.5L:1.9H:11.1
8L:1.3H:9.3L:2.0H:11.2
9L:1.1H:9.3L:2.0H:11.3
10L:0.8H:9.6L:1.7H:11.5
11L:0.4H:10.0L:1.4H:11.7
12🌑L:0.1H:10.4L:1.0H:11.7
13🌑L:-0.0H:10.7L:0.8
14🌑H:11.7L:0.0H:10.9L:0.7
15🌑H:11.4L:0.2H:10.9L:0.7
16H:11.0L:0.6H:10.8L:1.0
17H:10.4L:1.1H:10.6L:1.3
18H:9.8L:1.7H:10.3L:1.7
19🌓H:9.2L:2.3H:10.0L:2.1
20🌓H:8.7L:2.8H:9.7
21🌓L:2.4H:8.4L:3.1H:9.5
22🌓L:2.5H:8.2L:3.2H:9.5
23L:2.5H:8.3L:3.1H:9.6
24L:2.3H:8.5L:2.9H:9.8
25L:2.0H:8.8L:2.6H:10.0
26L:1.7H:9.1L:2.3H:10.2
27🌕L:1.5H:9.4L:1.9H:10.4
28🌕L:1.3H:9.7L:1.6
29🌕H:10.5L:1.1H:10.0L:1.3
30H:10.6L:1.0H:10.4L:1.1
31H:10.5L:0.9H:10.7L:0.9

Best fishing times (solunar)

Major and minor solunar windows for Biddeford, Saco River — peak feeding activity is around the moon overhead/underfoot (majors) and moonrise/moonset (minors). Score is the day's activity coefficient (0–100).

DayMajor windowsMinor windowsScore
Today 🌗4:52–6:52 AM
5:17–7:17 PM		10:03–12:03 AM
12:26–2:26 PM		34
Thu Aug 6 🌗5:47–7:47 AM
6:12–8:12 PM		10:42–12:42 AM
1:45–3:45 PM		40
Fri Aug 7 🌗6:47–8:47 AM
7:12–9:12 PM		—
3:03–5:03 PM		53
Sat Aug 8 🌘7:51–9:51 AM
8:16–10:16 PM		11:31–1:31 AM
4:14–6:14 PM		66
Sun Aug 9 🌘8:56–10:56 AM
9:21–11:21 PM		12:33–2:33 AM
5:13–7:13 PM		76
Mon Aug 10 🌘9:59–11:59 AM
10:24–12:24 AM		1:47–3:47 AM
5:59–7:59 PM		85
Tue Aug 11 🌘10:58–12:58 PM
11:23–1:23 AM		3:06–5:06 AM
6:34–8:34 PM		92

Predictions & observations: NOAA CO-OPS station 8418828. Solunar windows computed from the moon's position for this location. Times shown in the station's local time. Not for navigation.

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